A method for complex decontamination of metal surfaces with...

Details A method for complex decontamination of metal surfaces with... A method for complex decontamination of metal surfaces with...

C - Chemistry, Metallurgy

25

F

C25F 1/10 (2006.01) C25F 1/00 (2006.01)

Patent

CA 2265413

Essence of the invention consists in electrochemical destruction of oxide films, situated on metal surface and impeding the diffusion of radionuclides deeply contaminating metal, and in intensification of their transfer from depth to surface at the expense of potential, applied to the metal surface, with subsequent interaction of radionuclides with humus substances which make up main component of decontaminating solution. In aqueous solutions humus substances dissociate with formation of negatively charged matrix interacting with radionuclides on the surface being decontaminated, followed by formation of insoluble substances, thus removing radionuclides from the formed liquid radioactive wastes.

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